{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "Analysis of the gag and rev proteins in the transfected cells demonstrated that these proteins were not detectable in cells transfected with the tat mutants but could be readily detected when the mutations were complemented in trans with a tat expression vector ."}
{"GENE": ["gag", "rev proteins", "tat mutants", "tat"]}